Contrast media: practice question

A Radiology question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Radiology · Contrast media

Sample item

Which contrast material is commonly used for CT enhancement?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

C. Iodinated contrast

The defining Contrast media principle supports Iodinated contrast; it is the answer that best accounts for the finding or clinical aim described.

Option by option

  • A. Barium sulfate for MRI

    Barium sulfate for MRI is less appropriate because it does not match the stated contrast media feature.

  • B. Air as intravenous contrast

    Air as intravenous contrast does not provide the expected imaging or dental conclusion here.

  • C. Iodinated contrast (correct)

    Correct. Iodinated contrast is the most appropriate interpretation of the key information.

  • D. Gadolinium for plain X-ray

    Gadolinium for plain X-ray may be useful in another context but is not supported by this scenario.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

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Questions about this Radiology question

What is the answer to this Radiology question?

The best answer is C, Iodinated contrast. The defining Contrast media principle supports Iodinated contrast; it is the answer that best accounts for the finding or clinical aim described.

Why is "Barium sulfate for MRI" not the answer?

Barium sulfate for MRI is less appropriate because it does not match the stated contrast media feature.

Why is "Air as intravenous contrast" not the answer?

Air as intravenous contrast does not provide the expected imaging or dental conclusion here.

Why is "Gadolinium for plain X-ray" not the answer?

Gadolinium for plain X-ray may be useful in another context but is not supported by this scenario.

What concept does this question test?

It tests Contrast media in Radiology. The correct option holds because: Correct. Iodinated contrast is the most appropriate interpretation of the key information.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Contrast media?

Learn signs with the image, and the disease they point to. Then use the flashcards and the other Radiology questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.